Андрій

ANDRII SHEPEHA
FULL STACK DEVELOPER

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Linkedin Lviv, Ukraine

PROFILE EXPERIENCE
Full-Stack / Backend Developer with 3+ Full Stack Developer
years of hands-on experience in building
complex web ecosystems. Adept at
CodeGeeks l 2024 - present
managing the full development lifecycle, Developed autonomous AI agents (Function Calling) and RAG
translating complex business pipelines to automate complex data extraction and workflow
requirements into scalable, clean, and processing
maintainable software
Engineered integrations with external messaging engines,
third-party APIs, and secure file access systems
SKILL Designed multi-step state machines for core business
Languages: JS/TS processes, integrated full-cycle Stripe payment flows, and
optimized relational database models for high-performance
Backend: Node.js, NestJS, audits
Express, Microservices
Maintained scalable NestJS microservices architecture,
AI: LLM Integration, RAG, managed cross-platform data synchronization, and worked
Vector DBs, Function Calling with AWS and Azure services
Databases: MSSQL, Postgres,
MongoDB, Redis, SQL, NoSQL Full Stack Developer
MediaService l 2023 - 2024
Frontend: React, Next.js,
Angular, React Native Built a multi-store ERP system (React/Express) featuring
complex RRO API integrations to automate compliance and
Cloud: AWS, Azure
warehouse logistics
Addition: Docker, git
Significantly accelerated high-volume reporting modules by
restructuring complex MySQL queries and eliminating
database performance bottlenecks
EDUCATION
Computer Science Backend Developer
Lviv Polytechnic National N-Code l 2023 - 2023
University
Engineered core backend functionality and architecture for an
2021 - 2025 IT educational platform using Node.js and Express.js
Full Stack Managed database design, structured data models in
Mate Academy MongoDB, and maintained clean, efficient code to improve
2022 - 2023 overall platform stability